CFU Force and Motion

What causes daytime and nighttime on Earth?

• Earth's revolution around the Sun

• Earth's rotation on its axis

• The Moon's orbit around Earth

• The Sun's movement in the galaxy

Tags

NGSS.MS-ESS1-1

What is a graph used for in physics?

• To display an object's color

• To show an object's motion

• To measure an object's weight

• To calculate an object's density

Tags

NGSS.MS-PS3-1

What does inertia do when an object is at rest?

• It helps the object move.

• It resists attempts to move the object.

• It changes the object's direction.

• It increases the object's speed.

What does the image of two people on bicycles illustrate?

• The effect of gravity on motion

• The necessity of force to change speed or direction

• The impact of air resistance

• The role of friction in stopping

Tags

NGSS.MS-PS3-1

What happens to an object’s motion when no force is applied?

• It speeds up.

• It slows down.

• It remains unchanged.

• It changes direction.

Tags

NGSS.MS-PS2-2

Newton's second law of motion states that force equals what?

• Mass times velocity

• Mass times acceleration

• Mass times speed

• Mass times distance

Tags

NGSS.MS-PS2-2

What is the relationship between force and motion described by Newton's laws?

• Force is unrelated to motion

• Force causes motion

• Force stops motion

• Force changes color

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is acceleration?

• The rate of change in velocity

• The speed of an object

• The mass of an object

• The direction of an object

What does Newton's third law state?

• For every action, there is an equal and opposite reaction

• Objects in motion stay in motion

• Force equals mass times acceleration

• Energy cannot be created or destroyed

Tags

NGSS.MS-PS2-1

What is the velocity of a car moving 50 kilometers per hour north?

• 50 kilometers per hour north

• 50 kilometers per hour

• 50 kilometers per hour south

• 100 kilometers per hour north